diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/rtc/Makefile | 4 | ||||
| -rw-r--r-- | drivers/rtc/rtc-efi-platform.c | 31 |
3 files changed, 36 insertions, 1 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index a672dd16da62..83743a1a6731 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -798,7 +798,7 @@ config RTC_DRV_DA9063 config RTC_DRV_EFI tristate "EFI RTC" - depends on IA64 + depends on EFI help If you say yes here you will get support for the EFI Real Time Clock. diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 70347d041d10..f1dfc3648ee5 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -10,6 +10,10 @@ obj-$(CONFIG_RTC_SYSTOHC) += systohc.o obj-$(CONFIG_RTC_CLASS) += rtc-core.o rtc-core-y := class.o interface.o +ifdef CONFIG_RTC_DRV_EFI +rtc-core-y += rtc-efi-platform.o +endif + rtc-core-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o rtc-core-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o rtc-core-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o diff --git a/drivers/rtc/rtc-efi-platform.c b/drivers/rtc/rtc-efi-platform.c new file mode 100644 index 000000000000..b40fbe332af4 --- /dev/null +++ b/drivers/rtc/rtc-efi-platform.c @@ -0,0 +1,31 @@ +/* + * Moved from arch/ia64/kernel/time.c + * + * Copyright (C) 1998-2003 Hewlett-Packard Co + * Stephane Eranian <eranian@hpl.hp.com> + * David Mosberger <davidm@hpl.hp.com> + * Copyright (C) 1999 Don Dugger <don.dugger@intel.com> + * Copyright (C) 1999-2000 VA Linux Systems + * Copyright (C) 1999-2000 Walt Drummond <drummond@valinux.com> + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/efi.h> +#include <linux/platform_device.h> + +static struct platform_device rtc_efi_dev = { + .name = "rtc-efi", + .id = -1, +}; + +static int __init rtc_init(void) +{ + if (efi_enabled(EFI_RUNTIME_SERVICES)) + if (platform_device_register(&rtc_efi_dev) < 0) + pr_err("unable to register rtc device...\n"); + + /* not necessarily an error */ + return 0; +} +module_init(rtc_init); |